Specification Brand : JTS BulletPoint : Includes 6 pieces BulletPoint1 : SCREW HEAD MANDREL 1/4" SCREW & SHANK ARBOR HOLDER MANDREL FOR DISCS & WHEELS MANDRELS REINFORCED WITH 1/4" SHANK AND 1/4" SCREW 7/16" LARGE HEAD DIAMETER - 2-1/8" OVERALL LENGTH - SALE IS FOR 6 PCS- BulletPoint2 : These are Foredom A-M85 Mandrels Arbor - Screw Head Mandrels Reinforced with 1/4” shank has reinforced shoulder (5/16" Diameter) and 1/4" Screw to hold wheels. The mandrel is made of Steel and finished in Nickel. BulletPoint3 : Mandrels can be held and used with Rotary Handpieces that have a 1/4" Collet or a Chuck Head that has a 1/4" Capacity - works with all versions of Foredom #44 - #43 - #25 Handpieces These mandrels are used extensively in Fabrication, Wood Work, and Carving, Mold & Die Shops, Lapidary Applications, Hobby & Craft, and by Model Makers BulletPoint4 : The screw-type mandrel with 1/4" screw is used to for holding, un-mounted wheels, stones, miniature buffs and brushes, grinding discs, abrasive discs and more… any wheel with a 1/4" arbor Hole Mandrels can be held and used with Rotary Handpieces that have a 1/4" Collet or a Chuck Head that has a 1/4" Capacity - works with all versions of Foredom #44 - #43 - #25 Handpieces BulletPoint5 : PROTECTIVE PACKAGING: Secure blister package ensures the mandrels are shielded from potential damages. Color : Metal CompatibleMaterial : Rubber CompatibleMaterial1 : Wood CompatibleMaterial2 : Ceramic ExternallyAssignedProductIdentifier1 : 0028841190667 ExternallyAssignedProductIdentifier2 : 028841190667 ExternallyAssignedProductIdentifier3 : 00044861015957 ExternallyAssignedProductIdentifier4 : 00012382077648 IncludedComponents : Unitized Wheel Mandrel, 1/4" Stem ItemName : Screw Type Mandrel Arbor 1/4" Shank and Screw head for Disc Holder ItemPackageDimensions_Height : 19.5 centimeters ItemPackageDimensions_Length : 5.1 centimeters ItemPackageDimensions_Width : 13.7 centimeters ItemPackageQuantity : 6 ItemTypeKeyword : abrasive-mandrels Manufacturer : NOVELTOOLS Material : Rubber Material1 : Metal Material2 : Nylon ModelName : SD-032048-06NL ModelNumber : SD-032048-06NL NumberOfItems : 1 PartNumber : SD-032048-06NL ProductDescription : SPECIFICATIONS: · Capacity Recommended: 1/4" - 6.34mm · Overall Length: 2-1/8" - 54.00mm · Shaft Diameter: 1/4" - 6.32mm · Shaft Length: 1-9/32" - 32.6mm · Head Diameter: 7/16" - 11.0mm · Reinforced Head Length: 5/8" - 15.9mm · Reinforced Shoulder Diameter: 5/16" - 8.0mm · Screw Thread Size: 1/4" - 6.30mm · Screw Length: 5/16" - 8.0mm · Mandrel Weight: 0.5 Oz. Set of 6 Mandrels. ProductSiteLaunchDate : 2015-06-26T07:00:00.000Z Size : 0.25-inch SupplierDeclaredDgHzRegulation : unknown TargetAudienceKeyword : Jewelers Mfg UnitCount : 1